Cotton swab. (refer to, Note, Table below and – Brother 1270N User Manual

Page 157

CHAPTER 6 TROUBLESHOOTING

6-35

NOTE:

Clean the drum unit as follows:

(1) Remove the toner cartridge from the drum unit Place the printing samples in front of the

drum unit, and find the exact position of the image defect.

Fig. 6-7

(2) Turn the drum gear by hand while looking at the surface of the photosensitive drum.

Fig. 6-8

(3) Wipe the surface of the photosensitive drum with a cotton swab until the dust or paper

powder on the surface comes off.

Fig. 6-9

CAUTION:

•

Do not wipe the surface of the photosensitive drum with something sharp. (ball-point pen
etc.)

•

Use cleaning liquid which is a 50-50 mixture of ethyl alcohol and pure water.

Position of smudge on
the drum

94mm interval

Printing sample

Drum unit

Photosensitive drum